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Compare Fluid UI and Proto.io 
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At a Glance
Market Segments
Small-Business (59.1% of reviews)
Small-Business (53.1% of reviews)
Entry-Level Pricing
No pricing available
Starting at $24.00
Fluid UI
Star Rating
(22)4.1 out of 5
Market Segments
Small-Business (59.1% of reviews)
Pros & Cons
Not enough data
Entry-Level Pricing
No pricing available
Learn more about Fluid UIProto.io
Star Rating
(68)4.1 out of 5
Market Segments
Small-Business (53.1% of reviews)
Pros & Cons
Entry-Level Pricing
Starting at $24.00
Browse all 5 pricing plansSummary
AI Generated Summary
AI-generated. Powered by real user reviews.
- Users report that Fluid UI excels in its "User Interface Testing" feature, scoring a perfect 9.0, which allows for seamless testing of prototypes with real users, while Proto.io, although strong, scores slightly lower at 8.1 in this area.
- Reviewers mention that Fluid UI's "Sharing Components" functionality is highly rated at 9.0, making it easy for teams to collaborate and share design elements, whereas Proto.io's similar feature, while functional, does not receive the same level of praise, scoring 8.5.
- G2 users highlight that Fluid UI's "Error Documentation" is rated at 9.0, providing comprehensive guidance that helps users troubleshoot effectively, while Proto.io's documentation, although helpful, scores lower at 7.8, leading to some frustration among users seeking quick solutions.
- Users on G2 appreciate Fluid UI's "Editing Tools," which are rated at 8.3, allowing for intuitive design adjustments, while Proto.io's editing capabilities, although robust, receive a slightly lower score of 8.0, indicating room for improvement in user experience.
- Reviewers say that Fluid UI's "Feedback and Communication" tools are rated at 8.9, facilitating effective collaboration among team members, whereas Proto.io's tools, while adequate, score lower at 7.7, suggesting that users may find it less efficient for team interactions.
- Users report that Fluid UI's overall "Ease of Use" is rated at 9.0, making it a preferred choice for beginners, while Proto.io, with a score of 8.1, is noted to have a steeper learning curve, which may deter some new users from fully engaging with the platform.
Pricing
Entry-Level Pricing
Fluid UI
No pricing availableProto.io
Freelancer
Starting at $24.00
- 1 user
- 5 active projects
- Unlimited reviewers
Free Trial
Fluid UI
Free Trial is available
Proto.io
Free Trial is available
Ratings
Meets Requirements
8.2
21
8.3
62
Ease of Use
9.0
21
8.1
62
Ease of Setup
8.9
9
8.2
19
Ease of Admin
8.5
9
7.7
18
Quality of Support
8.6
17
7.9
49
Has the product been a good partner in doing business?
8.8
8
7.3
13
Product Direction (% positive)
8.3
20
7.6
62
Features by Category
Platform Basics
Not enough data
8.9
6
Not enough data
8.8
7
Not enough data
8.6
6
Not enough data
8.6
7
Platform Additional Functionality
Not enough data
9.2
6
Not enough data
8.6
6
Not enough data
8.9
6
Not enough data
9.0
7
Agentic AI - Prototyping
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Categories
Categories
Shared Categories
Fluid UI and Proto.io are categorized as Prototyping
Unique Categories
Fluid UI has no unique categories
Proto.io has no unique categories
Reviews
Reviewers' Company Size
Fluid UI
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Proto.io
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Small-Business
(50 or fewer emp.)
Mid-Market
(51-1000 emp.)
Enterprise
(> 1000 emp.)
Reviewers' Industry
Information Technology and Services
18.2%
Computer Software
18.2%
Design
13.6%
Wireless
4.5%
Leisure, Travel & Tourism
4.5%
Other
40.9%
Information Technology and Services
28.1%
Computer Software
12.5%
Design
9.4%
Marketing and Advertising
6.3%
Leisure, Travel & Tourism
4.7%
Other
39.1%
Discussions
Fluid UI has no discussions with answers
When will the desktop application available? Most of the users waiting for that
1 Comment
PT
Hello and sorry for the late response, we never received a notification for your question.
We have decided that the benefits of keeping Proto.io a...Read more
how do we do version control ?
1 Comment
PT
Hello Marwan - first of all our apologies for getting back to you so late. We never got notified of your message so it got lost.
There are currently two...Read more
Proto.io has no more discussions with answers
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